98 4.0 - what size are the external TORX cylinder head bolts ? - JeepForum.com
 
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post #1 of 6 Old 06-21-2008, 04:27 PM Thread Starter
DCLoppy
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98 4.0 - what size are the external TORX cylinder head bolts ?

Hi,

The cylinder head bolts on my 98 4.0 are external torx. Not only is that unusual, but I think I need a deep socket version, which seems just impossible to find locally ( Maryland - DC - VA- any tips welcome ?) Before I order online , I would REALLY like to be sure of the size. Looks like between 12 and 13 M comparing standard 12 point sockets - so would that be an E-12 ???

Any confirmation or correction welcome.

Thanks

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post #2 of 6 Old 06-21-2008, 05:25 PM
XJohnnyC
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They're not external torx. They're just 12-point bolts that need a 12-point socket (much like the hub bearing bolts). Just did a head swap a couple of weeks ago, but can't remember the size. Sorry.
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post #3 of 6 Old 06-21-2008, 05:50 PM
slayer2000
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13 mm deepwell 12 point.
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post #4 of 6 Old 06-21-2008, 08:10 PM Thread Starter
DCLoppy
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Thanks to both - that makes a lot more sense !

On the the next step tomorrow morning
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post #5 of 6 Old 01-02-2011, 10:19 PM
4.0H.O.XJ
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Hey Im doing the same thing here......is this the right answer? looks like a wierd head bolt to me.
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post #6 of 6 Old 01-16-2011, 07:18 PM Thread Starter
DCLoppy
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Yes, that is the correct answer - 12 point socket.

I would be happy to help with other questions - it was a big job ( for me) but actually pretty simple at each step.
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